The 1947 Sirhind train massacre was an attack on Ropar ‘s prosperous, wealthy and influential muslim clan Abbasi Sheikhan of Sheikhan Miran locality of Ropar city. It killed 2000 Muslims of this clan and only a dozen people of clan survived.
Link: https://en.everybodywiki.com/1947_Sirhind_Train_Massacre
Also see more information about the Ropari Sheikhs here
https://en.everybodywiki.com/Ropari_Sheikhs